151 fix error on second learning (#5)

README.md

@@ -66,3 +66,8 @@ export HASTIC_PORT=<port_you_want_to_run_server_on>
 cd ./hastic-server/server
 npm start
 ```
+
+#### Known bugs & issues
+
+- If you add labeled segments while learning - it fails
+- Dataset doesn't get updated after 1st learning

analytics/anomaly_model.py

@@ -64,14 +64,12 @@ class AnomalyModel:
         if len(anomalies) > 0:
             confidence = 0.0
             min_time, max_time = self.anomalies_box(anomalies)
-            start_index = dataframe[dataframe['timestamp'] >= min_time].index[0]
+            dataframe = dataframe[dataframe['timestamp'] <= max_time]
-            stop_index = dataframe[dataframe['timestamp'] > max_time].index[0]
+            dataframe = dataframe[dataframe['timestamp'] >= min_time]
-            start_index, stop_index = self.preprocessor.expand_indexes(start_index, stop_index)
-        dataframe = dataframe[start_index:stop_index]
 
         train_augmented = self.preprocessor.get_augmented_data(
-            start_index,
+            dataframe.index[0],
-            stop_index,
+            dataframe.index[-1],
             anomalies
         )
 

analytics/data_preprocessor.py

@@ -83,8 +83,7 @@ class data_preprocessor:
                 anomaly_index = current_index
 
         rows = dataframe[anomaly_index]
-        indexes = np.floor_divide(rows.index, self.frame_size)
+        indexes = np.unique(rows.index)
-        # indexes = np.unique(rows.index)
         return indexes
 
     def inverse_transform_anomalies(self, prediction):

analytics/data_provider.py

@@ -28,7 +28,7 @@ class DataProvider:
             if after_time is None or after_time <= last_chunk_time:
                 chunk = self.__load_chunk(chunk_index)
                 if after_time is not None:
-                    chunk = chunk[chunk['timestamp'] > after_time]
+                    chunk = chunk[chunk['timestamp'] >= after_time]
                 result = pd.concat([result, chunk])
         return result
 
@@ -36,7 +36,7 @@ class DataProvider:
         for chunk_index, last_chunk_time in self.chunk_last_times.items():
             if after_time < last_chunk_time:
                 chunk = self.__load_chunk(chunk_index)
-                chunk = chunk[chunk['timestamp'] > after_time]
+                chunk = chunk[chunk['timestamp'] >= after_time]
                 return chunk.index[0]
         return self.size()